Finding the Fourth Proportional to 68,941.10, 95,136.28 and 42,128.48

Step by Step Solution

1. Step 1: Write the proportion equation
   68,941.10 : 95,136.28 = 42,128.48 : x
2. Step 2: Convert to fraction form
   68,941.10/95,136.28 = 42,128.48/x
3. Step 3: Cross multiply
   68,941.10x = 95,136.28 × 42,128.48
4. Step 4: Simplify right side
   68,941.10x = 4,007,946,869.25
5. Step 5: Solve for x
   x = 4,007,946,869.25/68,941.10
6. Step 6: Final answer
   x = 58,135.81